As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6483 - IAD-CHS - ABORTED TAKEOFF DUE TO NR 1 SYMBOL GENERATOR FAILED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED FCS SWITCHING RELAY, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)